253184465

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{1291}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 309521856

約数和(自身を除く): 56337391

約数列:

[1, 5, 61, 305, 643, 1291, 3215, 6455, 39223, 78751, 196115, 393755, 830113, 4150565, 50636893, 253184465]

約数ペア:

[(1, 253184465), (5, 50636893), (61, 4150565), (305, 830113), (643, 393755), (1291, 196115), (3215, 78751), (6455, 39223)]